@layer tmc-page {
:root{
      --bg: #ffffff;
      --text: #111111;
      --muted: #3d3d3d;
      --line: #e5e1da;
      --teal: #1e8a95;
      --purple: #8c62a7;
      --gold: #f0b43a;
      --ink: #1a1a1a;

      --font-body: "Raleway", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
      --font-display: "Bebas Neue", sans-serif;
      --tracking-display: 0.04em;
      --lh-body: 1.45;
      --lh-heading: 1.05;

      --size-body: 23px;
      --size-sm: clamp(14px, 1.2vw, 16px);
      --size-lg: clamp(24px, 2.8vw, 34px);
      --size-xl: clamp(38px, 6.2vw, 77px);
      --size-hero: clamp(52px, 9vw, 110px);
      --size-headline: clamp(34px, 5.2vw, 64px);

      --max: 1200px;
      --max-wide: 1320px;
      --content-max: 72ch;
      --pad: clamp(18px, 3.5vw, 34px);

      --space-1: 6px;
      --space-2: 10px;
      --space-3: 16px;
      --space-4: 24px;
      --space-5: 36px;
      --space-6: 56px;

      --radius-sm: 10px;
      --radius-md: 16px;
      --radius-lg: 22px;

      --btn-size: clamp(16px, 1.6vw, 18px);
      --btn-size-lg: clamp(31px, 5vw, 62px);

      --topbar-height: 72px;
      --scroll-offset: calc(var(--topbar-height) + var(--space-3));
    }
    .sr-only{
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }

    h1, h2, h3{
      margin: 0;

      font-size: var(--size-lg);

      font-family: var(--font-body);
      text-transform: none;
      letter-spacing: 0;
      line-height: var(--lh-body);
      font-weight: 700;
    }
    h1{
      font-size: calc(var(--size-hero) * 1.2);

      font-family: var(--font-display);
      text-transform: uppercase;
      letter-spacing: var(--tracking-display);
      line-height: 1.2;
    }
    h2{
      font-size: var(--size-xl);

      font-family: var(--font-display);
      text-transform: uppercase;
      letter-spacing: var(--tracking-display);
      line-height: var(--lh-heading);
    }
    h3{
      font-size: var(--size-lg);
    }
    .measure{
      max-width: var(--content-max);
    }

    a:not(.btn):not(.cta-large):hover,
    a:not(.btn):not(.cta-large):focus-visible{
      text-decoration: underline;
      text-decoration-thickness: 2px;
      text-underline-offset: 3px;
    }


    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding: 12px 18px;
      border-radius: 999px;
      font-weight: 600;
      font-family: var(--font-display);
      font-size: var(--btn-size);
      border: 1px solid transparent;
      white-space: normal;
      text-align: center;
      line-height: 0.9;
      color: #ffffff;
      transition: none;
    }
    .btn:hover,
    .btn:focus-visible{
      box-shadow: none;
      filter: none;
    }
    .btn:active{
      box-shadow: none;
    }

    .btn.gloss{
      position: relative;
      overflow: hidden;
      transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
    }
    .btn.gloss::after{
      content: "";
      position: absolute;
      inset: -40% -20%;
      background: linear-gradient(120deg, transparent 35%, rgba(255,255,255,0.65) 50%, transparent 65%);
      transform: translateX(-140%);
      opacity: 0.7;
      pointer-events: none;
      animation: gloss-sweep 2.8s ease-in-out infinite;
    }
    .btn.gloss:hover,
    .btn.gloss:focus-visible{
      box-shadow: 0 14px 26px rgba(0,0,0,0.12);
      filter: brightness(1.02);
    }
    .btn.gloss:active{
      box-shadow: 0 10px 20px rgba(0,0,0,0.12);
    }
    .btn.purple{
      background: var(--purple);
      color: #ffffff;
      box-shadow: 0 10px 20px rgba(140,98,167,0.25);
    }
    .btn.gold{
      background: var(--gold);
      color: var(--text);
      box-shadow: 0 10px 20px rgba(240,180,58,0.25);
    }

    /* Banner */
    .section-banner{
      padding: 26px 0;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }
    .section-banner.gold{
      background: var(--gold);
      color: var(--ink);
    }
    .section-banner h2,
    .content-banner h2,
    .curriculum-banner h2,
    .deploy-banner h2,
    .math-banner h2,
    .openbook-banner h2,
    .quickfacts-banner h2,
    .reserve-banner h2,
    .teachers-banner h2,
    .why-banner h2{ font-size: clamp(34px, 5vw, 56px); line-height: 0.8; }
    .section-banner h2 span{
      display: block;
    }

    /* Below hero */
    .headline{
      margin: 16px auto 0;
      font-size: var(--size-headline);
      line-height: 1.05;
      position: relative;
      display: block;
      padding: 6px 14px;
      background: linear-gradient(110deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0.95) 50%, rgba(255,255,255,0.2) 100%);
      background-size: 220% 100%;
      animation: headline-glow 3.5s ease-in-out infinite;
      border-radius: 12px;
      text-align: center;
    }

    @keyframes headline-glow{
      0%{ background-position: 0% 50%; }
      50%{ background-position: 100% 50%; }
      100%{ background-position: 0% 50%; }
    }
    .subhead{
      font-size: var(--size-headline);
      color: var(--muted);
      line-height: inherit;
      font-family: var(--font-display);
      margin-top: 0.15rem;
      max-width: var(--content-max);
      text-align: center;
      margin-left: auto;
      margin-right: auto;
    }
    .below{
      margin-top: 10px;
      display:grid;
      grid-template-columns: minmax(0, 1fr) minmax(440px, 560px);
      gap: 18px;
      align-items:start;
    }
    .trust{
      margin: 0;
      padding-left: 18px;
      color: var(--ink);
      font-size: inherit;
      line-height: inherit;
    }
    .trust li{ margin: 6px 0; }

    .cta-stack{
      display:grid;
      gap: 14px;
      width: min(100%, 520px);
      align-items: stretch;
      justify-self: end;
    }
    .cta-stack .btn{
      font-family: var(--font-display);
      font-size: var(--btn-size-lg);
      letter-spacing: var(--tracking-display);
      padding: 22px 22px;
      text-transform: uppercase;
      width: 100%;
    }
    .btn.purple.block{ border-radius: 16px; }
    .btn.gold.block{ border-radius: 16px; }

    .why-section{
      margin-top: var(--space-6);
      scroll-margin-top: var(--scroll-offset);
    }
    .why-banner{
      background: var(--teal);
      color: #ffffff;
      padding: 26px 0;
    }
    .why-banner h2{ font-size: clamp(34px, 5vw, 56px); line-height: 0.8; }
    .why-content{
      max-width: var(--max-wide);
      margin: 0 auto;
      padding: 20px var(--pad) 10px;
    }
    .why-grid{
      display:grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 20px;
      align-items:start;
    }
    .why-copy{
      font-size: inherit;
      line-height: inherit;
      color: var(--ink);
      max-width: var(--content-max);
    }
    .why-copy .lead{
      font-size: inherit;
      line-height: inherit;
      margin-bottom: 18px;
    }
    .why-list{
      list-style: none;
      padding: 0;
      margin: 10px 0 18px;
    }
    .why-list li{
      padding-left: 16px;
      position: relative;
      margin: 8px 0;
    }
    .why-list li::before{
      content: "•";
      position: absolute;
      left: 0;
      color: var(--ink);
      font-weight: 700;
    }
    .why-media{
      display:grid;
      gap: 14px;
    }
    .why-illustration{
      border-radius: 18px;
      border: 1px solid var(--line);
      overflow-y: auto;
      background: #f2ede6;
    }
    .why-illustration img{
      display:block;
      width: 100%;
      height: auto;
    }
    .cta-large{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width: 100%;
      padding: 18px 20px;
      background: var(--gold);
      color: var(--ink);
      border-radius: 16px;
      font-family: var(--font-display);
      font-size: var(--btn-size-lg);
      line-height: 0.9;
      letter-spacing: var(--tracking-display);
      text-transform: uppercase;
      box-shadow: 0 12px 22px rgba(240,180,58,0.25);
      transition: none;
    }
    .cta-large:hover,
    .cta-large:focus-visible{
      box-shadow: 0 12px 22px rgba(240,180,58,0.25);
      filter: none;
    }
    .cta-large:active{
      box-shadow: 0 12px 22px rgba(240,180,58,0.25);
    }

    .topbar .btn::after{
      content: "";
      position: absolute;
      inset: -40% -20%;
      background: linear-gradient(120deg, transparent 35%, rgba(255,255,255,0.65) 50%, transparent 65%);
      transform: translateX(-140%);
      opacity: 0.7;
      pointer-events: none;
      animation: gloss-sweep 2.8s ease-in-out infinite;
    }
    .topbar .btn:hover,
    .topbar .btn:focus-visible{
      box-shadow: 0 14px 26px rgba(0,0,0,0.12);
      filter: brightness(1.02);
    }
    .topbar .btn:active{
      box-shadow: 0 10px 20px rgba(0,0,0,0.12);
    }

    @keyframes gloss-sweep{
      0%{ transform: translateX(-140%); }
      100%{ transform: translateX(140%); }
    }

    .curriculum-section{
      margin-top: var(--space-6);
      scroll-margin-top: var(--scroll-offset);
    }
    .curriculum-banner{
      background: var(--purple);
      color: #ffffff;
      padding: 26px 0;
    }
    .curriculum-banner h2{ font-size: clamp(34px, 5vw, 56px); line-height: 0.8; }
    .curriculum-content{
      max-width: var(--max-wide);
      margin: 0 auto;
      padding: 20px var(--pad) 10px;
    }
    .curriculum-grid{
      display:grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 20px;
      align-items:start;
    }
    .curriculum-copy{
      max-width: var(--content-max);
    }
    .curriculum-media{
      display:grid;
      gap: 14px;
    }
    .curriculum-photo{
      border-radius: 18px;
      overflow-y: auto;
      border: 1px solid var(--line);
    }
    .curriculum-photo img{
      display:block;
      width: 100%;
      height: auto;
    }
    .btn.teal{
      background: var(--teal);
      color: #ffffff;
      box-shadow: 0 12px 22px rgba(30,138,149,0.25);
      width: 100%;
      font-family: var(--font-display);
      font-size: var(--btn-size-lg);
      letter-spacing: var(--tracking-display);
      text-transform: uppercase;
      border-radius: 16px;
    }

    .openbook-section{
      margin-top: var(--space-6);
      scroll-margin-top: var(--scroll-offset);
    }
    .openbook-banner{
      background: var(--gold);
      color: var(--ink);
      padding: 26px 0;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }
    .openbook-banner h2{ font-size: clamp(34px, 5vw, 56px); line-height: 0.8; }
    .openbook-content{
      max-width: var(--max-wide);
      margin: 0 auto;
      padding: 20px var(--pad) 10px;
    }
    .openbook-grid{
      display:grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 20px;
      align-items: stretch;
    }
    .openbook-table{
      width: 100%;
      border-collapse: collapse;
      font-size: inherit;
      margin: 10px 0 18px;
    }
    .openbook-intro p{
      margin: 0 0 10px;
    }
    .openbook-intro p:last-child{
      margin-bottom: 0;
    }
    .openbook-table th,
    .openbook-table td{
      border: 1px solid var(--line);
      padding: 10px 12px;
      text-align: left;
    }
    .openbook-table th{
      font-weight: 700;
      background: #ffffff;
    }
    .openbook-table td:last-child,
    .openbook-table th:last-child{
      text-align: right;
      font-variant-numeric: tabular-nums;
    }
    .openbook-card{
      border-radius: 18px;
      border: 1px solid var(--line);
      overflow-y: auto;
      background: #ffffff;
      padding: 14px;
    }
    .openbook-card img{
      display:block;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .openbook-side{
      display:flex;
      flex-direction: column;
      gap: 18px;
      height: 100%;
    }
    .openbook-pie-card{
      border-radius: 18px;
      border: 1px solid var(--line);
      background: #ffffff;
      padding: 16px;
    }
    .openbook-subheading{
      margin: 0 0 10px;
      text-align: center;
    }
    .openbook-pie{
      width: 100%;
      max-width: 360px;
      aspect-ratio: 1 / 1;
      border-radius: 50%;
      margin: 0 auto 14px;
      background:
        conic-gradient(
          var(--purple) 0% 35%,
          var(--teal) 35% 40%,
          var(--gold) 40% 80%,
          var(--ink) 80% 100%
        );
    }
    .openbook-legend{
      display:grid;
      gap: 6px;
      font-size: 18px;
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .openbook-legend li{
      display:flex;
      align-items:center;
      gap: 8px;
    }
    .legend-dot{
      width: 12px;
      height: 12px;
      border-radius: 50%;
      display:inline-block;
    }
    .openbook-photo{
      margin-top: auto;
      flex: 1;
      display:flex;
    }
    .openbook-heading{
      margin: 0 0 8px;
    }
    .openbook-center{
      text-align: center;
    }
    .openbook-columns{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 12px;
    }
    .openbook-copy{
      display:flex;
      flex-direction: column;
      height: 100%;
      max-width: var(--content-max);
    }
    .openbook-box{
      border: 1px solid var(--line);
      border-radius: 14px;
      padding: 12px 14px;
      background: #ffffff;
    }
    .openbook-box h3{
      margin: 0 0 8px;
    }
    .openbook-box ul{
      margin: 0;
      padding-left: 18px;
    }
    .openbook-box li{ margin: 6px 0; }
    .openbook-cta{
      margin-top: auto;
      padding-top: 16px;
    }
    .openbook-cta .btn{
      width: 100%;
      font-family: var(--font-display);
      font-size: var(--btn-size-lg);
      letter-spacing: var(--tracking-display);
      text-transform: uppercase;
      border-radius: 16px;
      padding: 26px 24px;
    }

    .teachers-section{
      margin-top: var(--space-6);
      scroll-margin-top: var(--scroll-offset);
    }
    .teachers-banner{
      background: var(--teal);
      color: #ffffff;
      padding: 26px 0;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }
    .teachers-banner h2{ font-size: clamp(34px, 5vw, 56px); line-height: 0.8; }
    .teachers-content{
      max-width: var(--max-wide);
      margin: 0 auto;
      padding: 24px var(--pad) 10px;
    }
    .teachers-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      align-items:start;
    }
    .teachers-item{
      display:grid;
      gap: 12px;
      align-content:start;
    }
    .teachers-copy h3{
      margin-bottom: 10px;
    }
    .teachers-copy{
      display:flex;
      flex-direction: column;
      gap: 10px;
      max-width: var(--content-max);
    }
    .teachers-list{
      margin: 10px 0 0;
      padding-left: 18px;
    }
    .teachers-list li{ margin: 6px 0; }
    .teachers-cta{
      display:flex;
      gap: 10px;
      width: 100%;
      max-width: 420px;
    }
    .teachers-cta .btn{
      padding: 10px 16px;
      border-radius: 12px;
      width: 100%;
    }
    .teachers-card{
      border-radius: 18px;
      padding: 22px;
      color: #ffffff;
      font-family: var(--font-display);
      font-size: clamp(26px, 3.2vw, 40px);
      letter-spacing: var(--tracking-display);
      text-transform: uppercase;
      display:flex;
      align-items:center;
      justify-content:center;
      text-align:center;
      min-height: 0;
      height: 100%;
      box-shadow: 0 12px 22px rgba(0,0,0,0.12);
    }
    .teachers-card.purple{ background: var(--purple); }
    .teachers-card.teal{ background: var(--teal); }

    .quickfacts-section{
      margin-top: var(--space-6);
      scroll-margin-top: var(--scroll-offset);
    }
    .quickfacts-banner{
      background: var(--purple);
      color: #ffffff;
      padding: 26px 0;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }
    .quickfacts-banner h2{ font-size: clamp(34px, 5vw, 56px); line-height: 0.8; }
    .quickfacts-content{
      max-width: var(--max-wide);
      margin: 0 auto;
      padding: 24px var(--pad) 10px;
      display:grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 20px;
      align-items: stretch;
    }
    .quickfacts-content > div:first-child{
      max-width: var(--content-max);
    }
    .quickfacts-list{
      margin: 12px 0 0;
      padding-left: 18px;
    }
    .quickfacts-list li{ margin: 6px 0; }
    .quickfacts-card{
      border-radius: 18px;
      border: 1px solid var(--line);
      background: #ffffff;
      padding: 20px;
      display:grid;
      gap: 12px;
      align-content:center;
      justify-items:center;
      text-align: center;
      box-shadow: 0 12px 22px rgba(0,0,0,0.08);
      height: 100%;
    }
    .quickfacts-card .btn{
      width: 100%;
      max-width: 420px;
      font-family: var(--font-display);
      font-size: var(--btn-size-lg);
      letter-spacing: var(--tracking-display);
      text-transform: uppercase;
    }

    .reserve-section{
      margin-top: var(--space-6);
      scroll-margin-top: var(--scroll-offset);
    }
    .reserve-banner{
      background: var(--gold);
      color: var(--ink);
      padding: 26px 0;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }
    .reserve-banner h2{ font-size: clamp(34px, 5vw, 56px); line-height: 0.8; }
    .reserve-content{
      max-width: var(--max-wide);
      margin: 0 auto;
      padding: 24px var(--pad) 10px;
      display:grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 20px;
      align-items:start;
    }
    .reserve-copy{
      display:grid;
      gap: 10px;
      max-width: var(--content-max);
    }
    .reserve-cta{
      display:grid;
      gap: 12px;
      justify-items: start;
      justify-self: start;
      width: 100%;
      max-width: 520px;
    }
    .reserve-cta .btn{
      width: 100%;
      font-family: var(--font-display);
      font-size: var(--btn-size-lg);
      letter-spacing: var(--tracking-display);
      text-transform: uppercase;
      border-radius: 16px;
      padding: 22px 22px;
    }

    .content-section{
      margin-top: var(--space-6);
      scroll-margin-top: var(--scroll-offset);
    }
    .content-banner{
      background: var(--gold);
      color: var(--ink);
      padding: 26px 0;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }
    .content-banner h2{ font-size: clamp(34px, 5vw, 56px); line-height: 0.8; }
    .content-section.purple .content-banner{
      background: var(--purple);
      color: #ffffff;
    }
    .content-section.gold .content-banner{
      background: var(--gold);
      color: var(--ink);
    }
    .content-content{
      max-width: var(--max-wide);
      margin: 0 auto;
      padding: 24px var(--pad) 10px;
    }
    .content-copy{
      max-width: var(--content-max);
      display:grid;
      gap: 12px;
    }
    .content-copy p{
      margin: 0;
    }
    .content-list{
      margin: 0;
      padding-left: 20px;
    }
    .content-list li{
      margin: 6px 0;
    }
    .form-grid{
      display:grid;
      gap: 16px;
      max-width: var(--content-max);
    }
    .field-row{
      display:grid;
      gap: 16px;
    }
    .field-row.three-col{
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    .field-row.two-col{
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .field{
      display:grid;
      gap: 6px;
    }
    .field label{
      font-weight: 600;
      color: var(--ink);
    }
    .field input,
    .field select,
    .field textarea{
      font: inherit;
      padding: 12px 14px;
      border-radius: 12px;
      border: 1px solid var(--line);
      background: #ffffff;
      color: var(--ink);
    }
    .field small{
      color: var(--muted);
    }
    .field-error{
      display: none;
      color: #b00020;
      font-size: 14px;
    }
    .field.is-invalid .field-error{
      display: block;
    }
    .field.is-invalid input,
    .field.is-invalid select,
    .field.is-invalid textarea{
      border-color: #b00020;
    }
    .radio-group{
      display:grid;
      gap: 8px;
    }
    .radio-option{
      display:flex;
      align-items:center;
      gap: 10px;
      font-weight: 600;
    }
    .session-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }
    .session-card{
      border: 1px solid var(--line);
      border-radius: 14px;
      padding: 14px;
      background: #f6f4ef;
      display: grid;
      gap: 10px;
      cursor: pointer;
      transition: border-color 180ms ease, box-shadow 180ms ease;
      position: relative;
      min-height: 140px;
      overflow: hidden;
    }
    .session-card::after{
      content: "";
      position: absolute;
      inset: -40% -20%;
      background: linear-gradient(120deg, transparent 35%, rgba(255,255,255,0.65) 50%, transparent 65%);
      transform: translateX(-140%);
      opacity: 0.7;
      pointer-events: none;
      animation: gloss-sweep 2.8s ease-in-out infinite;
    }
    .session-card:hover{
      border-color: var(--teal);
      box-shadow: 0 10px 18px rgba(0,0,0,0.08);
    }
    .session-card input{
      position: absolute;
      opacity: 0;
      pointer-events: none;
    }
    .session-card-body{
      display: grid;
      gap: 6px;
      text-align: center;
    }
    .session-title{
      font-weight: 700;
      color: var(--ink);
    }
    .session-availability{
      font-weight: 700;
      color: var(--ink);
    }
    .session-card:has(input:checked){
      border-color: var(--gold);
      box-shadow: 0 12px 24px rgba(240,180,58,0.25);
      background: var(--gold);
    }
    .session-card:has(input:checked) .session-title,
    .session-card:has(input:checked) .session-availability{
      color: #ffffff;
    }
    .session-card.is-full{
      opacity: 0.6;
    }
    .availability-note{
      color: var(--muted);
    }
    .meeting-link{
      color: #1a5cff;
      font-weight: 600;
    }
    .meeting-link:hover,
    .meeting-link:focus-visible{
      text-decoration: underline;
      text-decoration-thickness: 2px;
      text-underline-offset: 3px;
    }
    .reservation-steps{
      margin-top: var(--space-6);
      scroll-margin-top: var(--scroll-offset);
    }
    .reservation-row{
      display:grid;
      gap: 20px;
      margin-bottom: 24px;
    }
    .reservation-row.two-col{
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .reservation-card{
      border: 1px solid var(--line);
      border-radius: 20px;
      background: #ffffff;
      padding: 20px;
      display:grid;
      gap: 12px;
      box-shadow: 0 18px 30px rgba(0,0,0,0.06);
    }


    .form-success{
      border: 1px solid var(--line);
      border-left: 6px solid var(--teal);
      background: #f6fbfc;
      padding: 14px 16px;
      border-radius: 14px;
      color: var(--ink);
      font-weight: 600;
      display: none;
    }
    .form-success.is-visible{
      display: block;
    }
    .reservation-card p{
      margin: 0;
    }
    .reservation-card p + p{
      margin-top: 8px;
    }
    .reservation-card p + .content-list,
    .reservation-card .content-list + p{
      margin-top: 8px;
    }
    .reservation-card h2{
      margin: 0;
      font-size: clamp(24px, 3.4vw, 34px);
      font-family: var(--font-body);
      text-transform: none;
      letter-spacing: 0;
      line-height: var(--lh-body);
    }
    .reservation-card h2:not(:first-child){
      margin-top: 16px;
    }
    .tight-stack{
      display:grid;
      gap: 6px;
    }
    .tight-stack p,
    .tight-stack .content-list{
      margin: 0;
    }
    .tight-stack p + p,
    .tight-stack p + .content-list,
    .tight-stack .content-list + p{
      margin-top: 0;
    }
    .schedule-block{
      border: 1px solid var(--line);
      border-radius: 14px;
      padding: 12px 14px;
      background: #ffffff;
      display: grid;
      gap: 6px;
    }
    .schedule-block h3{
      margin: 0;
      font-size: clamp(20px, 2.6vw, 26px);
      font-family: var(--font-body);
      text-transform: none;
      letter-spacing: 0;
      line-height: var(--lh-body);
    }
    .schedule-block p{
      margin: 0;
    }
    .table-wrap{
      margin-top: 10px;
      border: 1px solid var(--line);
      border-radius: 16px;
      overflow-x: auto;
      background: #ffffff;
    }
    .table-wrap table{
      width: 100%;
      min-width: 720px;
      border-collapse: collapse;
    }
    .table-wrap th,
    .table-wrap td{
      border: 1px solid var(--line);
      padding: 12px 14px;
      text-align: left;
      vertical-align: top;
      font-size: clamp(16px, 1.8vw, 20px);
    }
    .table-wrap th{
      background: #f9f7f3;
    }
    .math-table th,
    .math-table td{
      text-align: center;
    }
    .pricing-grid{
      display:grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 20px;
      align-items: start;
    }
    .pricing-actions{
      display:grid;
      gap: 12px;
      align-content: start;
    }
    .pricing-action-card{
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 14px;
      background: #ffffff;
      box-shadow: 0 12px 22px rgba(0,0,0,0.08);
    }
    .pricing-details{
      margin-top: 16px;
      display: grid;
      gap: 14px;
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .pricing-detail-card{
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 16px;
      background: #ffffff;
      display: grid;
      gap: 8px;
      box-shadow: 0 12px 22px rgba(0,0,0,0.08);
    }
    .pricing-detail-card h3{
      margin: 0;
      font-size: clamp(22px, 3vw, 30px);
      font-family: var(--font-body);
      text-transform: none;
      letter-spacing: 0;
      line-height: var(--lh-body);
    }
    .location-layout{
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 16px;
      align-items: start;
    }
    .location-text{
      flex: 1;
      min-width: 0;
    }
    .pricing-action-card .btn{
      width: 100%;
      font-family: var(--font-display);
      font-size: var(--btn-size-lg);
      letter-spacing: var(--tracking-display);
      text-transform: uppercase;
      border-radius: 14px;
    }
    .confirmation-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 20px;
      margin-top: 16px;
    }
    .confirmation-card{
      border: 1px solid var(--line);
      border-radius: 14px;
      background: #ffffff;
      padding: 16px;
      display:grid;
      gap: 10px;
      box-shadow: 0 8px 16px rgba(0,0,0,0.05);
    }
    .confirmation-grid h2{
      margin-top: 0;
    }
    .reservation-card .form-grid{
      max-width: 100%;
    }
    .reservation-cta{
      display:flex;
      justify-content:center;
      margin-top: 18px;
    }
    .reservation-cta .btn{
      font-family: var(--font-display);
      font-size: var(--btn-size-lg);
      letter-spacing: var(--tracking-display);
      padding: 22px 22px;
      text-transform: uppercase;
      border-radius: 16px;
      width: min(100%, 520px);
      box-shadow: 0 12px 22px rgba(0,0,0,0.12);
    }
    .cta-block{
      display:grid;
      gap: 12px;
      width: min(100%, 520px);
    }
    .cta-block .btn{
      width: 100%;
      font-family: var(--font-display);
      font-size: var(--btn-size-lg);
      letter-spacing: var(--tracking-display);
      text-transform: uppercase;
      padding: 22px 24px;
      border-radius: 22px;
      box-shadow: 0 12px 22px rgba(0,0,0,0.12);
    }
    .site-footer .footer-title{
      font-family: var(--font-display);
      font-size: var(--size-lg);
      letter-spacing: var(--tracking-display);
      text-transform: uppercase;
      color: #ffffff;
    }
    .site-footer .footer-tagline{
      margin: 0 auto;
      color: #ffffff;
      font-size: var(--size-body);
      line-height: var(--lh-body);
    }
    @media (min-width: 981px){
      .site-footer .footer-tagline{
        width: 100%;
        max-width: none;
      }
    }
    .btn.outline{
      background: transparent;
      border-color: #ffffff;
      color: #ffffff;
    }

    .btn.cta-standard{
      width: 100%;
      font-family: var(--font-display);
      font-size: clamp(22px, 3vw, 40px);
      letter-spacing: var(--tracking-display);
      text-transform: uppercase;
      padding: 28px 18px;
      border-radius: 18px;
      min-height: 96px;
      white-space: normal;
      line-height: 0.95;
      text-align: center;
    }
    .thankyou-card{
      max-width: var(--max-wide);
      margin: 0 auto;
    }
    .thankyou-card .btn{
      margin-left: auto;
      margin-right: auto;
    }
    .thankyou-title{
      text-align: center;
      font-size: clamp(34px, 5vw, 56px);
      font-family: var(--font-display);
      text-transform: uppercase;
      letter-spacing: var(--tracking-display);
      line-height: 0.8;
    }
    .thankyou-card h2{
      font-size: clamp(30px, 4vw, 46px);
      font-family: var(--font-display);
      text-transform: uppercase;
      letter-spacing: var(--tracking-display);
      line-height: var(--lh-heading);
    }
    .thankyou-card h2.article-band-heading{
      display: block;
      margin: 32px calc(50% - 50vw) 18px;
      padding: 22px max(var(--pad), calc((100vw - var(--max-wide)) / 2 + var(--pad)));
      color: #ffffff;
      text-align: left;
      line-height: 0.82;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }
    .thankyou-card h2.article-band-heading:first-of-type{
      margin-top: 24px;
    }
    .thankyou-card h2.article-band-purple{ background: var(--purple); }
    .thankyou-card h2.article-band-gold{
      background: var(--gold);
      color: var(--text);
    }
    .thankyou-card h2.article-band-teal{ background: var(--teal); }

    .learning-page-shell .thankyou-card h1,
    .learning-page-shell .thankyou-card h2,
    .learning-page-shell .thankyou-card h3{
      font-family: var(--font-body);
      text-transform: none;
      letter-spacing: 0;
    }

    .learning-page-shell .thankyou-card h2.article-band-heading{
      margin: 34px -20px 18px;
      padding: 18px 20px;
      font-size: clamp(34px, 5vw, 56px);
      line-height: 0.86;
      border-radius: 0;
      font-family: "Bebas Neue", sans-serif;
      text-transform: uppercase;
      letter-spacing: var(--tracking-display);
    }
    .thankyou-card h3{
      margin: 18px 0 6px;
      font-size: clamp(22px, 3vw, 30px);
      font-family: var(--font-body);
      text-transform: none;
      letter-spacing: 0;
      line-height: var(--lh-body);
    }
    .article-intro-module{
      display: grid;
      grid-template-columns: minmax(0, 1.02fr) minmax(0, 1.18fr);
      gap: 0;
      margin: 22px 0 26px;
      border: 1px solid var(--line);
      border-radius: 24px;
      overflow: hidden;
      background: #ffffff;
      box-shadow: 0 18px 30px rgba(0,0,0,0.06);
    }
    .article-intro-media{
      min-height: 100%;
      background: #efe9df;
    }
    .article-intro-media img{
      display: block;
      width: 100%;
      height: 100%;
      min-height: 100%;
      object-fit: cover;
      aspect-ratio: 5 / 4;
    }
    .article-intro-summary{
      display: grid;
      align-content: start;
      gap: 18px;
      background: #fffdf8;
    }
    .article-intro-label{
      background: var(--purple);
      color: #ffffff;
      padding: 18px 26px 16px;
      font-family: var(--font-display);
      font-size: clamp(24px, 3vw, 34px);
      letter-spacing: var(--tracking-display);
      text-transform: uppercase;
      line-height: 0.9;
    }
    .article-intro-body{
      display: grid;
      gap: 18px;
      padding: 0 26px 26px;
    }
    .article-intro-heading{
      display: grid;
      gap: 8px;
    }
    .article-intro-heading h1{
      margin: 0;
      font-size: 2.8rem;
      line-height: 1;
      letter-spacing: 0;
      font-family: var(--font-body);
      font-weight: 700;
      text-transform: none;
    }
    .article-intro-heading h3{
      margin: 0;
      font-size: var(--size-lg);
      line-height: var(--lh-body);
      letter-spacing: 0;
      font-family: var(--font-body);
      font-weight: 700;
      text-transform: none;
    }
    .article-intro-heading p{
      margin: 0;
      color: var(--muted);
    }
    .article-intro-meta{
      display: grid;
      gap: 0;
      border-top: 2px solid rgba(140,98,167,0.24);
      border-bottom: 1px solid var(--line);
    }
    .article-intro-meta-row{
      display: grid;
      grid-template-columns: 148px minmax(0, 1fr);
      gap: 14px;
      align-items: start;
      padding: 14px 0;
      border-top: 1px solid var(--line);
    }
    .article-intro-meta-row:first-child{
      border-top: 0;
    }
    .article-intro-meta-label{
      font-weight: 700;
      color: var(--ink);
    }
    .article-intro-meta-row p{
      margin: 0;
    }
    .article-intro-links{
      display: flex;
      flex-wrap: wrap;
      gap: 10px 14px;
      align-items: center;
    }
    .article-intro-links a{
      font-weight: 600;
    }
    .article-read-time{
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 22px;
      border-radius: 999px;
      background: var(--gold);
      color: var(--text);
      font-family: var(--font-display);
      font-size: clamp(28px, 3.6vw, 38px);
      letter-spacing: var(--tracking-display);
      text-transform: uppercase;
      line-height: 0.9;
      justify-self: start;
      box-shadow: 0 12px 22px rgba(240,180,58,0.24);
    }
    .article-intro-actions{
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
      gap: 12px;
      align-items: stretch;
      justify-content: flex-start;
    }
    .article-intro-actions .article-read-time,
    .article-intro-actions .video-lesson-button{
      width: 100%;
      min-width: 0;
      justify-self: auto;
      padding: 12px 10px;
      font-size: clamp(18px, 1.35vw, 20px);
      text-align: center;
      white-space: nowrap;
    }
    .video-lesson-button{
      appearance: none;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 52px;
      border: 0;
      border-radius: 999px;
      padding: 14px 22px;
      background: var(--teal);
      color: #ffffff;
      box-shadow: 0 12px 22px rgba(30,138,149,0.24);
      cursor: pointer;
      font-family: var(--font-display);
      font-size: clamp(28px, 3.6vw, 38px);
      letter-spacing: var(--tracking-display);
      line-height: 0.9;
      text-transform: uppercase;
    }
    .video-lesson-button:hover,
    .video-lesson-button:focus-visible{
      background: #176f78;
      outline: 3px solid rgba(30,138,149,0.28);
      outline-offset: 3px;
    }
    body.video-overlay-open{
      overflow: hidden;
    }
    .video-lesson-overlay[hidden]{
      display: none;
    }
    .video-lesson-overlay{
      position: fixed;
      inset: 0;
      z-index: 5000;
      display: grid;
      place-items: center;
      padding: clamp(12px, 3vw, 36px);
      background: rgba(0,0,0,0.88);
    }
    .video-lesson-dialog{
      position: relative;
      width: min(1180px, 100%);
      height: min(760px, calc(100dvh - clamp(24px, 6vw, 72px)));
      min-height: 360px;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,0.24);
      border-radius: 16px;
      background: #000000;
      box-shadow: 0 28px 80px rgba(0,0,0,0.5);
    }
    .video-lesson-frame{
      display: block;
      width: 100%;
      height: 100%;
      border: 0;
      background: #000000;
    }
    .video-lesson-close{
      position: absolute;
      top: 12px;
      right: 12px;
      z-index: 2;
      display: grid;
      width: 48px;
      height: 48px;
      place-items: center;
      border: 1px solid rgba(255,255,255,0.42);
      border-radius: 50%;
      padding: 0;
      background: rgba(0,0,0,0.82);
      color: #ffffff;
      cursor: pointer;
      font-family: Arial, Helvetica, sans-serif;
      font-size: 34px;
      font-weight: 400;
      line-height: 1;
    }
    .video-lesson-close:hover,
    .video-lesson-close:focus-visible{
      border-color: #ffffff;
      background: #111111;
      outline: 3px solid rgba(255,255,255,0.32);
      outline-offset: 2px;
    }
    .share-btn{
      width: min(100%, 320px);
      font-family: var(--font-display);
      font-size: var(--btn-size-lg);
      letter-spacing: var(--tracking-display);
      text-transform: uppercase;
      border-radius: 16px;
      padding: 20px 22px;
      margin-top: 8px;
    }
    .extra-section{
      margin-top: var(--space-6);
    }
    .extra-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 20px;
    }
    .extra-card{
      border: 1px solid var(--line);
      border-radius: 20px;
      background: #ffffff;
      padding: 20px;
      display:grid;
      gap: 12px;
      box-shadow: 0 18px 30px rgba(0,0,0,0.06);
    }
    .extra-card img{
      width: 100%;
      border-radius: 16px;
      display: block;
    }
    .extra-card h3{
      margin: 0;
      font-size: clamp(26px, 3.4vw, 40px);
      font-family: var(--font-body);
      text-transform: none;
      letter-spacing: 0;
      line-height: 1.15;
      font-weight: 700;
    }
    .extra-card p,
    .extra-card ul{
      margin: 0;
      line-height: 1.3;
    }
    .extra-card p + p,
    .extra-card p + ul,
    .extra-card ul + p{
      margin-top: 8px;
    }
    .extra-card ul{
      padding-left: 18px;
      display: grid;
      gap: 6px;
    }
    .extra-card li{
      margin: 0;
    }
    .extra-card .btn{
      width: 100%;
      font-family: var(--font-display);
      font-size: var(--btn-size-lg);
      letter-spacing: var(--tracking-display);
      text-transform: uppercase;
      padding: 20px 24px;
      border-radius: 16px;
      text-align: center;
    }
    .article-program-section{
      background: #efebe2;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }
    .article-program-section .content-content{
      padding-top: 34px;
      padding-bottom: 40px;
    }
    .article-facts-grid{
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
      gap: 28px;
      align-items: stretch;
    }
    .article-facts-grid--stacked{
      grid-template-columns: 1fr;
      align-items: stretch;
    }
    .article-facts-card{
      border: 1px solid #d9d2c6;
      border-radius: 28px;
      background: #ffffff;
      padding: clamp(24px, 3vw, 36px);
      display: grid;
      gap: 14px;
      align-content: start;
      box-shadow: 0 18px 30px rgba(0,0,0,0.05);
    }
    .article-facts-card h3{
      margin: 0;
      font-size: clamp(22px, 3vw, 30px);
      font-family: var(--font-body);
      text-transform: none;
      letter-spacing: 0;
      line-height: var(--lh-body);
      font-weight: 700;
    }
    .article-facts-card ul{
      margin: 0;
      padding-left: 1.15em;
      display: grid;
      gap: 12px;
      line-height: 1.35;
    }
    .article-facts-card li{
      margin: 0;
    }
    .article-facts-media{
      border: 1px solid #d9d2c6;
      border-radius: 22px;
      overflow: hidden;
      background: #ffffff;
    }
    .article-facts-media img{
      width: 100%;
      aspect-ratio: 16 / 10;
      object-fit: cover;
      display: block;
    }
    .article-facts-copy{
      display: grid;
      gap: 12px;
    }
    .article-facts-shell{
      display: grid;
      gap: 20px;
      max-width: var(--max-wide);
      margin: 24px auto 0;
    }
    .article-facts-intro{
      display: grid;
      gap: 8px;
    }
    .article-facts-kicker{
      font-size: var(--size-sm);
      text-transform: uppercase;
      letter-spacing: 0.35em;
      font-weight: 700;
      color: var(--muted);
    }
    .article-facts-shell .article-facts-heading{
      margin: 0;
      font-size: clamp(34px, 5vw, 56px);
      font-family: var(--font-display);
      text-transform: uppercase;
      letter-spacing: var(--tracking-display);
      line-height: 0.8;
    }
    .article-facts-copy p{
      margin: 0;
      color: var(--muted);
      line-height: 1.35;
    }
    .article-facts-card .btn{
      width: 100%;
      margin-top: 6px;
      font-family: var(--font-display);
      font-size: clamp(30px, 2.6vw, 44px);
      letter-spacing: var(--tracking-display);
      text-transform: uppercase;
      padding: 24px 22px;
      border-radius: 18px;
      text-align: center;
      box-shadow: 0 14px 26px rgba(240,180,58,0.22);
      line-height: 0.9;
      min-height: 88px;
    }

    .learning-page-shell > .article-facts-shell{
      min-width: 0;
      width: 100%;
    }

    .learning-page-shell .article-facts-shell .article-facts-heading{
      font-family: "Bebas Neue", sans-serif;
      font-size: clamp(36px, 4vw, 58px);
      line-height: 0.9;
      letter-spacing: var(--tracking-display);
      text-transform: uppercase;
    }

    .learning-page-shell .article-facts-card .btn{
      font-family: var(--font-body);
      font-size: clamp(18px, 1.6vw, 22px);
      font-weight: 700;
      line-height: 1.2;
      letter-spacing: 0;
      text-transform: none;
      min-height: 58px;
      padding: 15px 22px;
      white-space: normal;
    }

    .learning-page-shell .article-facts-card .btn.gold{
      color: var(--text);
    }
    .learning-page-shell .article-facts-grid--stacked .article-facts-card{
      width: 100%;
    }
    @media (min-width: 901px){
      .learning-page-shell .article-facts-grid--stacked .article-facts-card{
        grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
        align-items: center;
        gap: clamp(22px, 3vw, 40px);
      }
      .learning-page-shell .article-facts-grid--stacked .article-facts-card .btn{
        align-self: center;
        margin-top: 0;
      }
      .learning-page-shell .article-facts-grid--stacked .article-facts-media{
        grid-row: span 2;
      }
    }

@media (max-width: 900px){
      .extra-grid{ grid-template-columns: 1fr; }
      .article-facts-grid{ grid-template-columns: 1fr; }
    }


    @media (max-width: 980px){
      :root{
        --btn-size: 35.04px;
        --btn-size-lg: 35.04px;
      }
      .section-banner h2,
      .content-banner h2,
      .curriculum-banner h2,
      .deploy-banner h2,
      .math-banner h2,
      .openbook-banner h2,
      .quickfacts-banner h2,
      .reserve-banner h2,
      .teachers-banner h2,
      .why-banner h2{
        font-size: clamp(48.96px, 7.2vw, 80.64px);
        line-height: 0.8;
      }

      .btn.cta-standard{
        font-size: 35.04px;
      }

      .below{ grid-template-columns: 1fr; }
      .cta-stack{ width: min(100%, 360px); }
      .why-grid{ grid-template-columns: 1fr; }
      .curriculum-grid{ grid-template-columns: 1fr; }
      .openbook-grid{ grid-template-columns: 1fr; }
      .openbook-columns{ grid-template-columns: 1fr; }
      .openbook-cta-row{ grid-template-columns: 1fr; }
      .math-layout{ grid-template-columns: 1fr; }
      .teachers-grid{ grid-template-columns: 1fr; }
      .quickfacts-content{ grid-template-columns: 1fr; }
      .reserve-content{ grid-template-columns: 1fr; }
      .reservation-row.two-col{ grid-template-columns: 1fr; }
      .session-grid{ grid-template-columns: 1fr; }
      .field-row.three-col,
      .field-row.two-col{
        grid-template-columns: 1fr;
      }
      .pricing-grid{ grid-template-columns: 1fr; }
      .pricing-details{ grid-template-columns: 1fr; }
      .confirmation-grid{ grid-template-columns: 1fr; }
      .pricing-grid{ display: contents; }
      .tight-stack{ order: 1; }
      .pricing-details{ order: 2; }
      .pricing-actions{ order: 3; }

      /* Mobile standards */
      .hero-logo{ display: none !important; }
      .hero-title{ display: none !important; }
      .hero-logo-mobile{ display: block !important; margin: 0 auto; }

      .hero-title{ font-size: 60px !important; line-height: 0.9 !important; letter-spacing: -0.02em !important; }
      .hero-title .org{ font-size: 28px !important; }

      body{ font-size: 23px; }
      h1, h2, h3{ font-size: 26.5px; line-height: 1.2; }
      .thankyou-card h2.article-band-heading{
        margin-left: calc(50% - 50vw);
        margin-right: calc(50% - 50vw);
        padding-left: var(--pad);
        padding-right: var(--pad);
        font-size: clamp(48.96px, 7.2vw, 80.64px);
        line-height: 0.8;
      }
      .article-facts-shell .article-facts-heading{
        font-size: clamp(48.96px, 7.2vw, 80.64px);
        line-height: 0.8;
      }
      .article-facts-card .btn{
        font-size: clamp(24px, 7vw, 34px);
        min-height: 82px;
        padding: 22px 20px;
      }
      .article-intro-module{
        grid-template-columns: 1fr;
      }
      .article-intro-media img{
        aspect-ratio: 4 / 3;
      }
      .article-intro-body{
        padding: 0 22px 22px;
      }
      .article-intro-meta-row{
        grid-template-columns: 1fr;
        gap: 6px;
      }
      .article-read-time{
        width: 100%;
        justify-self: stretch;
      }
      .article-intro-actions{
        display: grid;
        grid-template-columns: 1fr;
      }
      .video-lesson-button{
        width: 100%;
      }
      .video-lesson-overlay{
        padding: 0;
      }
      .video-lesson-dialog{
        width: 100%;
        height: 100dvh;
        min-height: 0;
        border: 0;
        border-radius: 0;
      }
      .subhead, .lede{ font-size: 23px; line-height: var(--lh-body); }
      .hero-title{ font-size: var(--size-hero); }
      .hero-sub{ font-size: inherit; line-height: 1.05; }
      .btn{
        font-family: var(--font-display);
        font-size: 35.04px;
        line-height: 0.9;
        text-transform: uppercase;
        letter-spacing: var(--tracking-display);
        margin-left: auto;
        margin-right: auto;
        text-align: center;
      }
      .topbar .btn:not(.menu-cta){
        font-family: var(--font-body);
        font-size: 26.5px;
        margin-left: 0;
        margin-right: 0;
        text-transform: none;
        letter-spacing: 0;
      }
      .hero-top{
        flex-direction: column;
        gap: 16px;
        width: 100%;
      }
      .hero-logo{
        width: clamp(122px, 27.2vw, 162px);
        height: clamp(122px, 27.2vw, 162px);
      }
      .hero-title-block,
      .hero-title,
      .hero-sub{
        text-align: center;
      }
      .hero-image,
      .hero-image.banner{
        margin-left: 0;
        margin-right: 0;
      }
      .hero-image img,
      .hero-media img,
      .openbook-visual img,
      .openbook-card img,
      .openbook-photo img,
      .curriculum-photo img,
      .role-media img,
      .system-art img,
      .why-illustration img,
      .facts-card img{
        aspect-ratio: 1 / 1;
        object-fit: cover;
      }
      footer.site-footer .inner{ text-align: center; }
      footer.site-footer .footer-logo{ width: 72px; height: 72px; }
      footer.site-footer .footer-title,
      footer.site-footer .footer-tagline{ font-size: 23px; }
      footer.site-footer .footer-tagline{ line-height: 1.1; }
    }

    @media (max-width: 640px){
      :root{
        --lh-body: 1.38;
      }


    }


    /* Learning catalogue navigation shared by module and worksheet pages. */
    .learning-page-shell{
      display: block;
    }

    .learning-catalogue-sidebar{
      display: none;
      position: sticky;
      top: calc(var(--topbar-height) + 18px);
      max-height: calc(100vh - var(--topbar-height) - 34px);
      overflow: auto;
      padding: 14px;
      border: 1px solid rgba(0,0,0,0.045);
      border-radius: 0;
      background: rgba(241,244,249,0.58);
      box-shadow: none;
    }

    .learning-catalogue-sidebar h2{
      margin: 0 0 10px;
      color: var(--text);
      font-family: var(--font-body);
      font-size: 1.1rem;
      font-weight: 700;
      line-height: 1.2;
      letter-spacing: 0;
      text-transform: none;
    }

    .catalogue-toc,
    .catalogue-sublist{
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .catalogue-toc{
      display: grid;
      gap: 6px;
    }

    .catalogue-toc details{
      border: 1px solid rgba(0,0,0,0.035);
      border-radius: 0;
      background: rgba(255,255,255,0.74);
      overflow: hidden;
      padding: 6px 8px;
    }

    .catalogue-toc summary{
      cursor: pointer;
      padding: 8px 10px;
      color: var(--text);
      font-family: var(--font-body);
      font-size: 20px;
      font-weight: 700;
      line-height: 1.2;
      letter-spacing: 0;
      text-transform: none;
      list-style: none;
    }

    .catalogue-toc summary::-webkit-details-marker,
    .menu-panel .learning-menu-tree summary::-webkit-details-marker{
      display: none;
    }

    .catalogue-sublist{
      display: grid;
      gap: 4px;
      margin: 8px 0 6px 8px;
      padding: 0;
    }

    .catalogue-sublist a,
    .catalogue-toc-link{
      display: block;
      border-radius: 0;
      padding: 6px 10px;
      color: var(--text);
      background: #f7f8fb;
      font-family: var(--font-body);
      font-size: 17.6px;
      font-weight: 700;
      line-height: 1.2;
      letter-spacing: 0;
      text-transform: none;
      text-decoration: none;
    }

    .catalogue-toc-link{
      display: flex;
      align-items: center;
      gap: 10px;
      border: 1px solid rgba(0,0,0,0.035);
      background: rgba(255,255,255,0.74);
      font-size: 20px;
      padding: 8px 10px;
    }

    .catalogue-sublist a:hover,
    .catalogue-toc-link:hover,
    .catalogue-sublist a:focus-visible,
    .catalogue-toc-link:focus-visible{
      color: var(--teal-dark);
      background: #e9efff;
      text-decoration: none;
    }

    .catalogue-sublist a.is-current,
    .catalogue-toc-link.is-current{
      background: #dbe8ff;
      color: #0f3675;
      box-shadow: inset 3px 0 0 rgba(30,138,149,0.8);
    }

    .catalogue-toc details.contains-current > summary{
      color: #0f3675;
    }

    .menu-panel .learning-menu-tree{
      border-top: 1px solid var(--line);
      width: 100%;
      display: grid;
      justify-items: center;
    }

    .menu-panel .learning-menu-tree summary{
      cursor: pointer;
      width: max-content;
      max-width: min(680px, 92vw);
      padding: 6px 6px;
      color: var(--text);
      font-family: var(--font-body);
      font-size: clamp(26px, 3.2vw, 40px);
      font-weight: 500;
      line-height: 1.1;
      text-align: center;
      text-transform: none;
      letter-spacing: 0;
      list-style: none;
    }

    .menu-panel .learning-menu-tree.contains-current summary{
      color: #0f3675;
      font-weight: 700;
    }

    .menu-panel .learning-menu-list{
      display: grid;
      gap: 8px;
      justify-items: center;
      width: 100%;
      padding: 8px 16px 16px;
    }

    .menu-panel .learning-menu-list a{
      display: block;
      width: max-content;
      max-width: min(680px, 92vw);
      padding: 6px 6px;
      border-radius: 0;
      background: transparent;
      color: var(--text);
      font-family: var(--font-body);
      font-size: clamp(26px, 3.2vw, 40px);
      font-weight: 500;
      line-height: 1.1;
      text-align: center;
      text-decoration: none;
    }

    .menu-panel .learning-menu-list a.is-current{
      color: #0f3675;
      font-weight: 700;
      text-decoration: underline;
      text-decoration-thickness: 2px;
      text-underline-offset: 6px;
    }

    .learning-page-shell > .reservation-card{
      min-width: 0;
      width: 100%;
    }

    @media (min-width: 1024px){
      .content-content.learning-page-shell{
        padding-left: var(--pad);
        padding-right: var(--pad);
      }

      .learning-page-shell{
        display: grid;
        grid-template-columns: clamp(240px, 22vw, 300px) minmax(0, min(920px, calc(100% - clamp(240px, 22vw, 300px) - clamp(24px, 4vw, 48px))));
        gap: clamp(24px, 4vw, 48px);
        align-items: start;
        justify-content: start;
      }

      .learning-catalogue-sidebar{
        display: block;
      }

      .learning-page-shell > .article-facts-shell{
        grid-column: 2;
      }
    }

    @media (max-width: 1023px){
      .article-intro-heading h1{
        font-size: 2.4rem;
      }
    }
}